2013: Matt Downen of The University of Kansas for "An Investigation of Spiders Preserved in Lacustrine Environments."

2012: Edwin Cadena of North Carolina State University for "A new fossil turtle from the Early Cretaceous (Barremian-Aptian) of Colombia (South America): revealing the early states of marine turtle evolution." (see article in Evolution: This View of Life - Paleontology)

2009: Michael L. Latham of the University of Tennessee, Knoxville, for “Phylogenetic implications of the pattern of oral cover plates in the Isorophida (Edrioasteroidea, Echinodermata).”

2008: Joseph Collette III of the University of Massachusetts, Amherst, for “A window into the Cambrian: an exceptionally preserved arthropod fauna from central Wisconsin.”

2005: Kate Bromfield of the Centre for Marine Studies of the University of Queensland in Brisbane, Australia, for “Evolution of coral species over the Miocene-Pliocene boundary (6 Ma) across the Indo-Pacific region.”

2004: Talia Karim of the University of Iowa, for “Lower Ordovician (Ibexian) trilobites of the Cow Head Group, western Newfoundland, Canada.”

2003: Ivana M. Stevanovic-Walls of the University of Pennsylvania, for “Lycopsids of Paracas, Peru.”